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March 30, 2026·OnSite Computers

What Is Microsoft 365 — and Why It Matters for Local Teams

A plain-English walkthrough of what's actually inside Microsoft 365, what it costs, and why local businesses keep moving to it.

Microsoft 365Productivity

Microsoft 365 keeps changing names and bundles, and that makes it hard to explain to anyone who isn't paid to track it. Here's a plain-English version aimed at a small or mid-sized business in the Baltimore area.

Microsoft 365, in one sentence

It's a subscription that bundles email, file storage, the Office apps (Word, Excel, PowerPoint, Outlook), Teams, and a long list of administrative and security controls — sold per user per month.

What you actually get day to day

  • Email and calendar with your own domain, hosted by Microsoft.
  • OneDrive for personal file storage, replacing local Documents folders.
  • SharePoint for team and department document libraries.
  • Teams for chat, video meetings, and shared spaces.
  • Word, Excel, PowerPoint, Outlook — desktop and web versions, kept up to date automatically.

Why local teams keep moving to it

Three reasons we hear most often:

  1. Your team can work from anywhere on any device. A power outage or a sick day doesn't stop work.
  2. Cyber-insurance carriers expect it. Modern policies require MFA, conditional access, and centralized identity — all of which are baked into Microsoft 365 properly configured.
  3. It plays well with everything else. Most line-of-business apps assume Microsoft 365 exists in 2026.

What it doesn't do automatically

It doesn't back up your mailbox or files in the way most people assume. Retention policies are not the same as backups. We always recommend layering a third-party backup product on top — that's what we do for our managed clients.

What it costs

Plans start around $6 per user per month for email-only and run up to about $22 for the full Business Premium plan, which is the one most small businesses actually want because it includes the security controls.

If you're stuck on a legacy mail server or comparing Microsoft 365 against Google Workspace, we can help you pick — and migrate without the drama.

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Tell us about your team and what you need from your IT. We'll respond within 24 business hours with a proposal you can actually read.